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General & Media Contact

Shigeru "Shig" Masuko Regional Manager, Japan Office


Nisso Dai 18 Building #523
3-7-18 Shin-Yokohama, Kouhoku
Yokohama, Kanagawa, 222-0033


Media Contact

Jill Wilson Vice President, Communications & Marketing
(859) 281-5000

Contact Info

Phone : (045) 594-7034
Fax : (045) 345-4380
Web :

Our People

Gray is a full-service, integrated design-build contractor staffed by more than 1,000 highly skilled, experienced professionals.

Staffing Numbers

  • Architecture & Engineering 238
  • Project Planning 38
  • Project Managment 350
  • Site Management 410
  • Operations Admin 50

About This Office

In the late 1980s, Gray opened its first office in Japan to better accommodate the needs of Japanese customers. To date, Gray has completed more than 303 projects for Japanese customers, amounting to over 25 million s.f. of plant space. Our core markets are:

Our bilingual staff promptly provides comprehensive services to customers, a trait that is recognized and appreciated by our Japanese customers. Our team is also adept at translating non-U.S. design and building details into U.S. manufacturing standards, often resulting in schedule and cost reductions.


  • Programming
  • Site Selection
  • Architecture
  • Civil Engineering
  • MEP Engineering
  • Structural Engineering
  • Process Engineering
  • Equipment Procurement
  • Equipment Installation
  • Construction Management
  • LEED® Certification
  • Sustainable Design

How Gray Ranks

Gray has been recognized as one of the top engineering, architecture and construction firms as evidenced by our rankings.

  • 7th
    ENR Top Contractors in Food & Beverage Plant Construction
  • 5th
    ENR Top Contractors in Automotive Plant Construction
  • 4th
    ENR Top Contractors in Manufacturing Plant Construction
  • Contractor for Pulp and Paper Facility
    ENR Top Contractors in Pulp & Paper
  • Electronic Assembly Facility Construction Project
    ENR Top Contractors Electronic Assembly
  • 16th
    ENR Top Contractors in Retail
  • 16th
    ENR Top Contractors in Industrial Process
  • 27th
    ENR Top 100 Design-Build Firms
  • 80th
    ENR Top 400 Contractors
  • 89th
    Top 100 Contractors by New Contacts
  • International Automotive Customer
    ENR Top International Contractors
  • 208th
    Top 250 Global Contractors
  • 22nd
    ENR Southeast Top Contractor
  • Mendocino Farms California
    CC&R Top Contractor in Restaurant
  • OC Business Journal Top Tenant Improvements Contractors
    OCBJ Top Tenant Improvements Contractors
  • OC Business Journal Top Tenant Improvements Contractors
    OCBJ Top Commercial Construction
  • 13th
    BD+C Top 100 Design-Build Firms
  • 50th
    BD+C Top 160 Contractors
  • 13th
    BD+C Top 80 Retail Contractors